Definition of on the square in US English:

on the square

phrase

  • 1informal Honest; straightforward.

    • ‘I'm not going to throw you over. I've always been on the square with you.’
    honest, frank, candid, open, truthful, sincere, on the level, honest-to-goodness
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  • 2Honestly; fairly.

    • ‘How many local councils are riddled with freemasonry? At how many appointments are the best men…passed over because they are not on the square?’
  • 3At right angles.